Question

13. Assertion: It is advised to clean the ends of the connecting wires before connecting them.
Reason: Current is present at the ends.
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Answer 1

Answer:

Option B

Explanation:

Assertion and reason are true but reason is not the correct explanation of Assertion.

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Answer 2

Assertion is true but reason is false.

We should clean the wire ends before connecting it to the electrical circuit to remove their insulation if any and to remove rust, dust etc. which may resist the flow of current. so it is advisable to clean and connect so that current can flow properly.